GOST EN 13466-2-2013 Fertilizers Determination of water content (Karl Fischer methods) Part 2 2-propanol as extracting medium《肥料 水含量的测定 (卡尔·费休滴定法) 第2部分 作为萃取介质的异丙醇》.pdf

1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) EN 13466-2 2013 ( ) 2 2- (EN 13466-2:2001, IDT) EN 13466-2 2013 II , 1.092 . 1.22009 . , . , , , 1 - , , ( ) , 4 2 527 3 , ( 14 2013 . 44-2013) : ( 3166) 00497 ( 3166) 004 97 AZ KZ KG MD RU TJ UZ - 4 EN 13466-2:2001 Fert

2、ilizers Determination of water content (Karl Fischer methods) 2-propanol as extracting medium (. ( ). 2. 2- ). CEN/TC 260 . (en). , , , , . . (IDT) 5 22 2013 . 737- EN 13466-22013 1 2015 . 6 EN 13466-2 2013 III , . () . , , 2014 , EN 13466-2 2013 IV . : , . . EN 12048 EN 12049 . . , , , . , , 2-. EN

3、 13466 . ( ) : - 1: ; - 2: 2- . 2- , , , , : (Ca(NO3)24H2O); (CaHPO42H2O); (, CaSO42H2O); (CaSO40,5H2O); (MgSO47H2O); (1/1/2,75 , KClMgSO42.75H2O); - (, K2SO4MgSO46H2O); - (, K2SO4MgSO44H2O); - (, K2SO4CaSO4H2O); - (, KClMgCl26H2O); (Mg(NO3)26H2O). 2- , , , : (Ca(NO3)24H2O); (MgSO47H2O); - (, KClMgC

4、l26H2O); (Mg(NO3)26H2O). EN 13466-2 2013 1 ( ) 2 2- Fertilizers. Determination of water content (Karl Fischer methods). Part 2. 2-propanol as extracting medium 2015 01 01 1 , 2- . . (KFP-) : (Ca(NO3)24H2O); (MgSO47H2O); - (, KClMgCl26H2O); (Mg(NO3)26H2O). 2 . ( ). EN 1482 Sampling of solid fertilize

5、rs and liming materials ( )1) 3 2-, , . 4 4.1 . . . 4.2 2-, 250 /3 . 4.3 , 1 5 ( 1). 1) EN 1482-1 Fertilizers and liming materials Sampling and sample preparation Part 1: Sampling ( . . 1. ) EN 1482-2 Fertilizers and liming materials Sampling and sample preparation Part 2: Sample preparation ( . . 2

6、. ). EN 13466-2 2013 2 4.4 Na2C4H4O62H2O ( 15,66 %). Na2C4H4O62H2O 60%- . 150 . 5 , , : 5.1 0,0001 . 5.2 , 3500 -1. 5.3 4,5 , 10 , . 5.4 , 9500 -1, (5.3), Ultra Turrax 2). 5.5 . . 6 . 7 EN 1482. 8 8.1 , (4.4), 0,0001 . 1 . 2 . 8.2 , . md . 8.3 7 1 0,0001 (5.3), . 1- ( ) , % , 5 /3 2 /3 5 5 5 5 20 .

7、1 1 . 20 50 1 2) Ultra Turrax S25, S25KR 18G . CEN ( ). EN 13466-2 2013 3 8.4 25 3 2- (4.2) . (5.4) , . . 60 9500 -1. , - 40 , , , 25 . 60 , . , . : , . 8.5 . 5 . 5 , . 8.6 5,0 3 (8.3) (5.5). . (4.3) , . ms, , . 8.7 , 8.2, . mb. 8.8 , 8.1 8.6, . . 8.9 8.9.1 , , , 2- . 8.9.2 8.9.8. 8.9.2 , 8.2. 8.9.3

8、 5 3 2- (4.2). 8.9.4 . . 8.9.5 5 3 , (8.5) 8.9.6 , , . 8.9.7 5 3 , (8.5). 8.9.6. 8.9.8 8.7. 9 2- wKFP, %, tdbs 100)(5 m mmmw K F P , (1) EN 13466-2 2013 4 ms , 8.6, ; mb , (8.7), ; md , 8.2, ; mt ; . . 10 10.1 1997 . 15 : (N) , - (CAN), NPK 12+12+17+2 (PK). . 1. 10.2 , , r 5 % . K FPwr 049,0033,0 . (2) a+bwKFP . (3) 10.3 , , R 5 % . K FPwR 293,0177,0 . (4) a+bwKFP (5) 11 : a)